Buckle



FIG. 1 is a perspective view for a buckle showing our design;

FIG. 2 is a front elevation view of the design as shown in FIG. 1;

FIG. 3 is a rear elevation view of the design as shown in FIG. 1;

FIG. 4 is a right side elevation view of the design shown in FIG. 1;

FIG. 5 is a left side elevation view of the design as shown in FIG. 1;

FIG. 6 is a bottom view of the design as shown in FIG. 1; and,

FIG. 7 is a top plan view of the design as shown in FIG. 1.

In the drawings, the broken lines depict environmental subject matter only and form no part of the claimed design. 

CLAIM The ornamental design for a buckle, as shown and described. 